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Finding the Fourth Proportional to 186,656.40, 280,276.20 and 107,924.40

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Solution

The fourth proportional to 186,656.40, 280,276.20 and 107,924.40 is: 162,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,656.40 : 280,276.20 = 107,924.40 : x
  2. Step 2: Convert to fraction form
    186,656.40/280,276.20 = 107,924.40/x
  3. Step 3: Cross multiply
    186,656.40x = 280,276.20 × 107,924.40
  4. Step 4: Simplify right side
    186,656.40x = 30,248,640,719.28
  5. Step 5: Solve for x
    x = 30,248,640,719.28/186,656.40
  6. Step 6: Final answer
    x = 162,055.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.